Alright, let's work through 7728 times 2454 step by step
7728 × 2454 = 2454 × (7728)
+ 2454 × 8 what gives us 19632
+ 2454 × 20 resulting in 49080
+ 2454 × 700 which equals 1717800
+ 2454 × 7000 that equals 17178000

= 18964512
